#B7CF01
Closest named color: Yellow Green (#9ACD32). oklch(80.8% 0.188 117.8), rgb(183, 207, 1).
Aa
Black text reads best on this color (11.93:1).
About this color
#B7CF01 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.188 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.037 away. Black text reads best on it, at 11.93:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.93:1 |
| White text | 1.75:1 |
Values
| HEX | #B7CF01 |
| RGB | rgb(183, 207, 1) |
| HSL | hsl(67, 99%, 41%) |
| OKLCH | oklch(80.8% 0.188 117.8) |
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 #B7CF01 | 1.75:1 | Fails | Lc -35.9 | Non-text elements, placeholder text |
| Black text on #B7CF01 | 11.93:1 | AAA | Lc 71.9 | Content text, not long reading |
| #B7CF01 text on white | 1.75:1 | Fails | Lc 32.0 | Non-text elements, placeholder text |
| #B7CF01 text on black | 11.93:1 | AAA | Lc -70.7 | 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
#F4F8E5
oklch(97.1% 0.025 116.5)
-
Step 100
100
#E6EFC7
oklch(93.5% 0.053 117.7)
-
Step 200
200
#D3E393
oklch(88.5% 0.104 117.8)
-
Step 300
300 (this color)
#B7CF01
oklch(80.8% 0.188 117.8)
-
Step 400
400
#99AD00
oklch(70.7% 0.164 117.7)
-
Step 500
500
#839400
oklch(63.1% 0.146 117.6)
-
Step 600
600
#6D7C00
oklch(55.4% 0.129 117.8)
-
Step 700
700
#5C6900
oklch(49.2% 0.114 117.9)
-
Step 800
800
#4B5600
oklch(42.8% 0.1 117.9)
-
Step 900
900
#3E4700
oklch(37.7% 0.087 117.6)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#B7CF01 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) | #DEC300 | 0.061 |
| Deuteranopia (no green cones) | #DBC428 | 0.060 |
| Tritanopia (no blue cones) | #C3C3B0 | 0.162 |
| Achromatopsia (no color) | #C3C3C3 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7CF01
#B7CF01
oklch(80.8% 0.188 117.8)
- #C9B1FF
#C9B1FF
oklch(80.9% 0.111 298)
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 #B7CF01, closest first.
No curated palette has a color within ΔE 0.04 of #B7CF01.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.037
- Slime Green #99CC04 ΔE 0.040
- Pea #A4BF20 ΔE 0.053
- Mustard Yellow #D2BD0A ΔE 0.058
- Olive Yellow #C2B709 ΔE 0.064
- Kiwi Green #8EE53F ΔE 0.065
- Bright Olive #9CBB04 ΔE 0.067
- Pale Olive Green #B1D27B ΔE 0.073
Use #B7CF01 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.