#B3CD27
Closest named color: Yellow Green (#9ACD32). oklch(80.2% 0.178 118.8), rgb(179, 205, 39).
Aa
Black text reads best on this color (11.67:1).
About this color
#B3CD27 is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.178 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 0.030 away. Black text reads best on it, at 11.67:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.67:1 |
| White text | 1.79:1 |
Values
| HEX | #B3CD27 |
| RGB | rgb(179, 205, 39) |
| HSL | hsl(69, 68%, 48%) |
| OKLCH | oklch(80.2% 0.178 118.8) |
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 #B3CD27 | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #B3CD27 | 11.67:1 | AAA | Lc 70.7 | Content text, not long reading |
| #B3CD27 text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #B3CD27 text on black | 11.67:1 | AAA | Lc -69.5 | 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
#E6EFC9
oklch(93.6% 0.051 118.2)
-
Step 200
200
#D2E398
oklch(88.5% 0.099 118.9)
-
Step 300
300 (this color)
#B3CD27
oklch(80.2% 0.178 118.8)
-
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
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3D4800
oklch(37.8% 0.089 119.1)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#B3CD27 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) | #DBC100 | 0.059 |
| Deuteranopia (no green cones) | #D8C239 | 0.061 |
| Tritanopia (no blue cones) | #BEC1AF | 0.153 |
| Achromatopsia (no color) | #C1C1C1 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CD27
#B3CD27
oklch(80.2% 0.178 118.8)
- #C8ADFF
#C8ADFF
oklch(80.1% 0.117 298.9)
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 #B3CD27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.030
- Slime Green #99CC04 ΔE 0.036
- Pea #A4BF20 ΔE 0.044
- Mustard Yellow #D2BD0A ΔE 0.055
- Olive Yellow #C2B709 ΔE 0.057
- Bright Olive #9CBB04 ΔE 0.060
- Pale Olive Green #B1D27B ΔE 0.064
- Light Olive Green #A4BE5C ΔE 0.065
Use #B3CD27 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.