#B4D100
Closest named color: Yellow Green (#9ACD32). oklch(81% 0.191 119.3), rgb(180, 209, 0).
Aa
Black text reads best on this color (12.06:1).
About this color
#B4D100 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.191 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.036 away. Black text reads best on it, at 12.06:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.06:1 |
| White text | 1.74:1 |
Values
| HEX | #B4D100 |
| RGB | rgb(180, 209, 0) |
| HSL | hsl(68, 100%, 41%) |
| OKLCH | oklch(81% 0.191 119.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B4D100 | 1.74:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #B4D100 | 12.06:1 | AAA | Lc 72.4 | Content text, not long reading |
| #B4D100 text on white | 1.74:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #B4D100 text on black | 12.06:1 | AAA | Lc -71.3 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F3F8E5
oklch(97% 0.026 118.9)
-
Step 100
100
#E5F0C7
oklch(93.6% 0.055 119.7)
-
Step 200
200
#D1E493
oklch(88.6% 0.106 119.4)
-
Step 300
300 (this color)
#B4D100
oklch(81% 0.191 119.3)
-
Step 400
400
#96AE00
oklch(70.7% 0.166 119.1)
-
Step 500
500
#809500
oklch(63.1% 0.149 119.2)
-
Step 600
600
#6B7D00
oklch(55.5% 0.131 119.3)
-
Step 700
700
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#495600
oklch(42.7% 0.101 119.3)
-
Step 900
900
#3D4800
oklch(37.8% 0.089 119.1)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#B4D100 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DFC400 | 0.067 |
| Deuteranopia (no green cones) | #DCC529 | 0.066 |
| Tritanopia (no blue cones) | #C0C5B2 | 0.164 |
| Achromatopsia (no color) | #C4C4C4 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D100
#B4D100
oklch(81% 0.191 119.3)
- #CBB1FF
#CBB1FF
oklch(81% 0.111 299.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B4D100, closest first.
No curated palette has a color within ΔE 0.04 of #B4D100.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.036
- Slime Green #99CC04 ΔE 0.038
- Pea #A4BF20 ΔE 0.056
- Kiwi Green #8EE53F ΔE 0.059
- Mustard Yellow #D2BD0A ΔE 0.065
- Bright Olive #9CBB04 ΔE 0.070
- Olive Yellow #C2B709 ΔE 0.070
- Apple Green #76CD26 ΔE 0.071
Use #B4D100 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.