#63B028#63B028

#63B028 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	#63B028
RGB	rgb(99, 176, 40)
HSL	hsl(94, 63%, 42%)
HSV	hsv(94, 77%, 69%)
CMYK	cmyk(43.8%, 0%, 77.3%, 31%)
CIE-LAB	lab(64.85, -45.95, 57.66)
CIE-LCH	lch(64.85, 73.73, 128.56°)
OKLab	oklab(68.16% -0.1285 0.1283)
OKLCH	oklch(68.16% 0.182 135)
XYZ	xyz(21.0535, 33.8553, 7.4324)
Luminance	0.3386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B028 #7528B0

analogous

#A7B028 #63B028 #28B031

triadic

#63B028 #2863B0 #B02863

tetradic

#63B028 #28A7B0 #7528B0 #B03128

square

#63B028 #28A7B0 #7528B0 #B03128

split-complementary

#63B028 #3128B0 #B028A7

monochromatic

#2B4C11 #477E1D #63B028 #81D441 #A2DF73

Accessibility & contrast

On white

2.70

#63B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#63B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B028

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B028	#FFFFFF	#000000	##000000
##63B028	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)

#B7A103

Deuteranopia (green-blind)

#AC9B37

Tritanopia (blue-blind)

#61A996

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63b028;
/* rgb */ color: rgb(99, 176, 40);
/* oklch */ color: oklch(68.2% 0.182 135.0);

Tailwind

colors: {
  custom: {
    50: '#96c86d',
    500: '#63b028',
    950: '#000000',
  },
}

SCSS

$custom: #63b028;
$custom-light: #96c86d;
$custom-dark: #000000;

JSON

{
  "hex": "#63b028",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 93.971,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.68163,
    "c": 0.18164,
    "h": 135
  },
  "luminance": 0.33857
}

Semantic roles & 50–950 ramp

primary

#63B028

secondary

#A06DC6

accent

#42E69F

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B028

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

Preview Lab → · Contrast checker → · Palette generator →