#B6D021
Closest named color: Yellow Green (#9ACD32). oklch(81% 0.182 118.6), rgb(182, 208, 33).
Aa
Black text reads best on this color (12.03:1).
About this color
#B6D021 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.182 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 12.03:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.03:1 |
| White text | 1.74:1 |
Values
| HEX | #B6D021 |
| RGB | rgb(182, 208, 33) |
| HSL | hsl(69, 73%, 47%) |
| OKLCH | oklch(81% 0.182 118.6) |
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 #B6D021 | 1.74:1 | Fails | Lc -35.5 | Non-text elements, placeholder text |
| Black text on #B6D021 | 12.03:1 | AAA | Lc 72.3 | Content text, not long reading |
| #B6D021 text on white | 1.74:1 | Fails | Lc 31.6 | Non-text elements, placeholder text |
| #B6D021 text on black | 12.03:1 | AAA | Lc -71.1 | 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
#D2E396
oklch(88.5% 0.101 118.6)
-
Step 300
300 (this color)
#B6D021
oklch(81% 0.182 118.6)
-
Step 400
400
#97AE00
oklch(70.8% 0.166 118.8)
-
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)
#B6D021 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) | #DEC400 | 0.060 |
| Deuteranopia (no green cones) | #DBC536 | 0.061 |
| Tritanopia (no blue cones) | #C1C4B2 | 0.158 |
| Achromatopsia (no color) | #C4C4C4 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B6D021
#B6D021
oklch(81% 0.182 118.6)
- #CAB1FF
#CAB1FF
oklch(81% 0.111 298.6)
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 #B6D021, closest first.
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 0.041
- Pea #A4BF20 ΔE 0.053
- Mustard Yellow #D2BD0A ΔE 0.059
- Kiwi Green #8EE53F ΔE 0.064
- Olive Yellow #C2B709 ΔE 0.065
- Pale Olive Green #B1D27B ΔE 0.067
- Bright Olive #9CBB04 ΔE 0.069
Use #B6D021 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.