#B4F979#B4F979

#B4F979 is a very light, vivid yellow-green. Relative luminance 0.788; OKLCH L 90.9% C 0.174 H 132.4°. Best body text is #000000 at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#B4F979
RGB	rgb(180, 249, 121)
HSL	hsl(92, 91%, 73%)
HSV	hsv(92, 51%, 98%)
CMYK	cmyk(27.7%, 0%, 51.4%, 2.4%)
CIE-LAB	lab(91.16, -42.36, 54.12)
CIE-LCH	lch(91.16, 68.72, 128.05°)
OKLab	oklab(90.92% -0.1175 0.1288)
OKLCH	oklch(90.92% 0.174 132.4)
XYZ	xyz(56.1484, 78.8335, 30.3435)
Luminance	0.7883 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F979 #BE79F9

analogous

#F4F979 #B4F979 #79F97E

triadic

#B4F979 #79B4F9 #F979B4

tetradic

#B4F979 #79F4F9 #BE79F9 #F97E79

square

#B4F979 #79F4F9 #BE79F9 #F97E79

split-complementary

#B4F979 #7E79F9 #F979F4

monochromatic

#73ED0B #93F63E #B4F979 #D5FCB4 #EFFEE2

Accessibility & contrast

On white

1.25

#B4F979 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.77

#B4F979 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F979

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F979	#FFFFFF	#000000	##000000
##B4F979	1.00	1.25	16.77	16.77
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.77	21.00	1.00	1.00
##000000	16.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96D

Deuteranopia (green-blind)

#F8E481

Tritanopia (blue-blind)

#B6F0DC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #b4f979;
/* rgb */ color: rgb(180, 249, 121);
/* oklch */ color: oklch(90.9% 0.174 132.4);

Tailwind

colors: {
  custom: {
    50: '#cdfba2',
    500: '#b4f979',
    950: '#000000',
  },
}

SCSS

$custom: #b4f979;
$custom-light: #cdfba2;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f979",
  "rgb": {
    "r": 180,
    "g": 249,
    "b": 121
  },
  "hsl": {
    "h": 92.344,
    "s": 91.429,
    "l": 72.549
  },
  "oklch": {
    "l": 0.90923,
    "c": 0.17436,
    "h": 132.4
  },
  "luminance": 0.78835
}

Semantic roles & 50–950 ramp

primary

#B4F979

secondary

#9141D5

accent

#00E67C

background

#FEFFFC

surface

#FBFFF6

border

#D4D7D0

text

#14170F

muted

#838580

Preview Lab

Preview with #B4F979

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

Preview Lab → · Contrast checker → · Palette generator →