#63B027#63B027

#63B027 is a light, vivid yellow-green. Relative luminance 0.339; OKLCH L 68.2% C 0.182 H 135.0°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#63B027
RGB	rgb(99, 176, 39)
HSL	hsl(94, 64%, 42%)
HSV	hsv(94, 78%, 69%)
CMYK	cmyk(43.8%, 0%, 77.8%, 31%)
CIE-LAB	lab(64.84, -46.01, 57.97)
CIE-LCH	lch(64.84, 74.01, 128.44°)
OKLab	oklab(68.16% -0.1288 0.1288)
OKLCH	oklch(68.16% 0.182 135)
XYZ	xyz(21.0367, 33.8486, 7.3440)
Luminance	0.3385 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B027 #7427B0

analogous

#A7B027 #63B027 #27B030

triadic

#63B027 #2763B0 #B02763

tetradic

#63B027 #27A7B0 #7427B0 #B03027

square

#63B027 #27A7B0 #7427B0 #B03027

split-complementary

#63B027 #3027B0 #B027A7

monochromatic

#2B4C11 #477E1C #63B027 #81D540 #A2E072

Accessibility & contrast

On white

2.70

#63B027 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#63B027 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B027

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B027	#FFFFFF	#000000	##000000
##63B027	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#AC9B36

Tritanopia (blue-blind)

#61A996

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63b027;
/* rgb */ color: rgb(99, 176, 39);
/* oklch */ color: oklch(68.2% 0.182 135.0);

Tailwind

colors: {
  custom: {
    50: '#96c86c',
    500: '#63b027',
    950: '#000000',
  },
}

SCSS

$custom: #63b027;
$custom-light: #96c86c;
$custom-dark: #000000;

JSON

{
  "hex": "#63b027",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 39
  },
  "hsl": {
    "h": 93.723,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68157,
    "c": 0.18215,
    "h": 135
  },
  "luminance": 0.3385
}

Semantic roles & 50–950 ramp

primary

#63B027

secondary

#9F6CC7

accent

#41E79E

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B027

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

Preview Lab → · Contrast checker → · Palette generator →