#63A91F#63A91F

#63A91F is a light, vivid yellow-green. Relative luminance 0.311; OKLCH L 66.3% C 0.178 H 133.7°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#63A91F
RGB	rgb(99, 169, 31)
HSL	hsl(90, 69%, 39%)
HSV	hsv(90, 82%, 66%)
CMYK	cmyk(41.4%, 0%, 81.7%, 33.7%)
CIE-LAB	lab(62.61, -43.55, 58.30)
CIE-LCH	lch(62.61, 72.77, 126.76°)
OKLab	oklab(66.32% -0.1226 0.1283)
OKLCH	oklch(66.32% 0.178 133.7)
XYZ	xyz(19.5805, 31.1265, 6.2724)
Luminance	0.3113 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A91F #651FA9

analogous

#A8A91F #63A91F #1FA920

triadic

#63A91F #1F63A9 #A91F63

tetradic

#63A91F #1FA8A9 #651FA9 #A9201F

square

#63A91F #1FA8A9 #651FA9 #A9201F

split-complementary

#63A91F #201FA9 #A91FA8

monochromatic

#26420C #457516 #63A91F #81D82D #A0E260

Accessibility & contrast

On white

2.91

#63A91F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#63A91F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A91F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A91F	#FFFFFF	#000000	##000000
##63A91F	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A7952F

Tritanopia (blue-blind)

#63A290

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #63a91f;
/* rgb */ color: rgb(99, 169, 31);
/* oklch */ color: oklch(66.3% 0.178 133.7);

Tailwind

colors: {
  custom: {
    50: '#96c368',
    500: '#63a91f',
    950: '#000000',
  },
}

SCSS

$custom: #63a91f;
$custom-light: #96c368;
$custom-dark: #000000;

JSON

{
  "hex": "#63a91f",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 31
  },
  "hsl": {
    "h": 90.435,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.66318,
    "c": 0.17751,
    "h": 133.7
  },
  "luminance": 0.31128
}

Semantic roles & 50–950 ramp

primary

#63A91F

secondary

#935DC7

accent

#3CEC95

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #63A91F

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

Preview Lab → · Contrast checker → · Palette generator →