#999F21#999F21

#999F21 is a light, vivid yellow. Relative luminance 0.317; OKLCH L 67.6% C 0.140 H 112.4°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#999F21
RGB	rgb(153, 159, 33)
HSL	hsl(63, 66%, 38%)
HSV	hsv(63, 79%, 62%)
CMYK	cmyk(3.8%, 0%, 79.2%, 37.6%)
CIE-LAB	lab(63.08, -17.06, 59.42)
CIE-LCH	lch(63.08, 61.82, 106.02°)
OKLab	oklab(67.58% -0.0535 0.1294)
OKLCH	oklch(67.58% 0.14 112.4)
XYZ	xyz(25.8104, 31.6790, 6.1936)
Luminance	0.3168 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999F21 #27219F

analogous

#9F6621 #999F21 #5A9F21

triadic

#999F21 #21999F #9F2199

tetradic

#999F21 #219F66 #27219F #9F215A

square

#999F21 #219F66 #27219F #9F215A

split-complementary

#999F21 #215A9F #66219F

monochromatic

#373A0C #686C16 #999F21 #CAD22C #D7DD5D

Accessibility & contrast

On white

2.86

#999F21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#999F21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999F21

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999F21	#FFFFFF	#000000	##000000
##999F21	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#AC9A2D

Tritanopia (blue-blind)

#A49588

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #999f21;
/* rgb */ color: rgb(153, 159, 33);
/* oklch */ color: oklch(67.6% 0.140 112.4);

Tailwind

colors: {
  custom: {
    50: '#bbbb68',
    500: '#999f21',
    950: '#000000',
  },
}

SCSS

$custom: #999f21;
$custom-light: #bbbb68;
$custom-dark: #000000;

JSON

{
  "hex": "#999f21",
  "rgb": {
    "r": 153,
    "g": 159,
    "b": 33
  },
  "hsl": {
    "h": 62.857,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.67585,
    "c": 0.14004,
    "h": 112.4
  },
  "luminance": 0.31678
}

Semantic roles & 50–950 ramp

primary

#999F21

secondary

#5F5AC2

accent

#3FE947

background

#FBFBF6

surface

#F7F6EB

border

#D0D0C6

text

#121107

muted

#81807A

Preview Lab

Preview with #999F21

Body copy rendered with the generated semantic roles for this colour.

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