#B5CF15
Closest named color: Yellow Green (#9ACD32). oklch(80.7% 0.185 118.6), rgb(181, 207, 21).
Aa
Black text reads best on this color (11.90:1).
About this color
#B5CF15 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.185 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 0.034 away. Black text reads best on it, at 11.90:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.90:1 |
| White text | 1.76:1 |
Values
| HEX | #B5CF15 |
| RGB | rgb(181, 207, 21) |
| HSL | hsl(68, 82%, 45%) |
| OKLCH | oklch(80.7% 0.185 118.6) |
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 #B5CF15 | 1.76:1 | Fails | Lc -36.1 | Non-text elements, placeholder text |
| Black text on #B5CF15 | 11.90:1 | AAA | Lc 71.7 | Content text, not long reading |
| #B5CF15 text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #B5CF15 text on black | 11.90:1 | AAA | Lc -70.5 | 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
#F3F8E6
oklch(97.1% 0.024 119.5)
-
Step 100
100
#E6EFC8
oklch(93.5% 0.052 118)
-
Step 200
200
#D2E395
oklch(88.5% 0.102 118.5)
-
Step 300
300 (this color)
#B5CF15
oklch(80.7% 0.185 118.6)
-
Step 400
400
#97AD00
oklch(70.6% 0.165 118.5)
-
Step 500
500
#819500
oklch(63.2% 0.148 118.8)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3D4700
oklch(37.6% 0.088 118.5)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#B5CF15 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) | #DDC300 | 0.061 |
| Deuteranopia (no green cones) | #DBC42F | 0.063 |
| Tritanopia (no blue cones) | #C1C3B0 | 0.159 |
| Achromatopsia (no color) | #C3C3C3 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CF15
#B5CF15
oklch(80.7% 0.185 118.6)
- #C9B0FF
#C9B0FF
oklch(80.7% 0.112 298.4)
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 #B5CF15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.034
- Slime Green #99CC04 ΔE 0.038
- Pea #A4BF20 ΔE 0.051
- Mustard Yellow #D2BD0A ΔE 0.059
- Olive Yellow #C2B709 ΔE 0.063
- Kiwi Green #8EE53F ΔE 0.065
- Bright Olive #9CBB04 ΔE 0.066
- Pale Olive Green #B1D27B ΔE 0.070
Use #B5CF15 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.