Colour reference

Orange 500

#f97316

RGB: rgb(249 115 22)
HSL: 25°, 95%, 53%
OKLCh: 70.5% 0.187 47.6

Orange 500 in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex	`#f97316`
RGB	`rgb(249 115 22)`
RGB legacy	`rgb(249, 115, 22)`
RGB percent	`rgb(97.65% 45.1% 8.63%)`
HSL	`hsl(24.6 95% 53.1%)`
HSL legacy	`hsl(24.6, 95%, 53.1%)`
HSV / HSB	`hsv(24.6, 91.2%, 97.6%)`
HWB	`hwb(24.6 8.6% 2.4%)`
Nearest name	`coral (approx.)`
CMYK	`cmyk(0%, 53.8%, 91.2%, 2.4%)`Naive conversion. Real print work needs an ICC profile.

Perceptual & wide gamutModern CSS colour spaces for uniform scales and P3 displays.

OKLCh	`oklch(70.487% 0.18672 47.604)`Modern CSS colour space for even palettes — better than HSL when building scales.
OKLab	`oklab(70.487% 0.1259 0.13789)`
CIE LCh	`lch(64.496% 84.568 54.285)`
CIE Lab	`lab(64.496% 49.367 68.664)`
Display P3	`color(display-p3 0.9111 0.4814 0.2088)`
Rec. 2020	`color(rec2020 0.807 0.4605 0.1525)`
srgb-linear	`color(srgb-linear 0.9473 0.1714 0.008)`Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)	`color(xyz-d65 0.4534 0.3246 0.0464)`

ShadersGLSL, HLSL and WGSL vectors in both encoded and linear form.

GLSL vec3 — sRGB	`vec3(0.976, 0.451, 0.086)`Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linear	`vec3(0.947, 0.171, 0.008)`Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGB	`vec4(0.976, 0.451, 0.086, 1.0)`
GLSL vec4 — linear	`vec4(0.947, 0.171, 0.008, 1.0)`
GLSL ivec3	`ivec3(249, 115, 22)`
HLSL float3 — sRGB	`float3(0.976, 0.451, 0.086)`
HLSL float3 — linear	`float3(0.947, 0.171, 0.008)`
HLSL float4 — sRGB	`float4(0.976, 0.451, 0.086, 1.0)`
HLSL half4 — sRGB	`half4(0.976, 0.451, 0.086, 1.0)`
WGSL vec3f — sRGB	`vec3f(0.976, 0.451, 0.086)`
WGSL vec4f — sRGB	`vec4f(0.976, 0.451, 0.086, 1.0)`
WGSL vec3<f32> — linear	`vec3<f32>(0.947, 0.171, 0.008)`

Engines & appsConstructors for Unity, Unreal, Godot, Flutter, SwiftUI and Android.

Unity Color	`new Color(0.976f, 0.451f, 0.086f, 1.0f)`Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32	`new Color32(249, 115, 22, 255)`
Unreal FLinearColor	`FLinearColor(0.9473f, 0.1714f, 0.008f, 1.0f)`FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColor	`FColor(249, 115, 22, 255)`Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot Color	`Color(0.976, 0.451, 0.086, 1)`
Flutter Color	`Color(0xFFF97316)`Packed ARGB, so alpha comes first.
Android Color	`Color.rgb(249, 115, 22)`
SwiftUI Color	`Color(red: 0.976, green: 0.451, blue: 0.086)`
UIKit UIColor	`UIColor(red: 0.976, green: 0.451, blue: 0.086, alpha: 1)`

Raw valuesPacked integers and plain arrays.

0x hex	`0xF97316`
0x hex (ARGB)	`0xFFF97316`
Array 0–1	`[0.976, 0.451, 0.086]`
Array 0–255	`[249, 115, 22]`
Decimal integer	`16347926`

Contrast and accessibility

WCAG 2 ratios are what audits and legislation reference. APCA is shown alongside because WCAG 2 is known to misjudge mid-tone backgrounds, and it is the basis of the WCAG 3 draft.

Pairing	WCAG 2 ratio	Level	APCA	Suitable for
Orange 500 on white	2.80:1	Fail	Lc 53	Large headings only
Orange 500 on black	7.49:1	AAA	Lc 49	Large headings only

Orange 500 text on a white background

Orange 500 text on a black background

White text on Orange 500

Black text on Orange 500

Tonal scale

Hue held fixed while lightness walks OKLCh, ready to use as a design system ramp.

50#fff1e3
100#ffe4cf
200#ffccac
300#ffaa78
400#ff7f30
500#e15d00
600#be4500
700#9b3500
800#7e2700
900#651c00
950#3f0900

Tints and shades

Mixed perceptually toward white and black, so the steps feel evenly spaced.

Tint 1#fd8d50
Tint 2#ffa576
Tint 3#ffbc9a
Tint 4#ffd3bc
Tint 5#ffe9dd
Shade 1#c3590f
Shade 2#904008
Shade 3#612803
Shade 4#351301
Shade 5#0e0300

Colours that work with Orange 500

Complementary, triadic and analogous partners, rotated in OKLCh so they keep the same apparent brightness.

#00b1ec
#00bf8b
#9c88ff
#fe6574
#d88f00

Closest CSS names

coralΔEok 0.042
tomatoΔEok 0.052
darkorangeΔEok 0.057
salmonΔEok 0.074
orangeredΔEok 0.076
chocolateΔEok 0.078