#B1C74B
Closest named color: Light Olive Green (#A4BE5C). oklch(78.9% 0.15 118.5), rgb(177, 199, 75).
Aa
Black text reads best on this color (11.14:1).
About this color
#B1C74B is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.150 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.037 away. Black text reads best on it, at 11.14:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 11.14:1 |
| White text | 1.88:1 |
Values
| HEX | #B1C74B |
| RGB | rgb(177, 199, 75) |
| HSL | hsl(71, 53%, 54%) |
| OKLCH | oklch(78.9% 0.15 118.5) |
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 #B1C74B | 1.88:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #B1C74B | 11.14:1 | AAA | Lc 68.2 | Content text, not long reading |
| #B1C74B text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #B1C74B text on black | 11.14:1 | AAA | Lc -66.8 | 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
#F4F8E9
oklch(97.2% 0.02 118.9)
-
Step 100
100
#E6EECE
oklch(93.5% 0.043 118.6)
-
Step 200
200
#D3E1A3
oklch(88.4% 0.083 118.5)
-
Step 300
300 (this color)
#B1C74B
oklch(78.9% 0.15 118.5)
-
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)
#B1C74B 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) | #D3BD3C | 0.050 |
| Deuteranopia (no green cones) | #D1BD53 | 0.053 |
| Tritanopia (no blue cones) | #BBBDAD | 0.128 |
| Achromatopsia (no color) | #BDBDBD | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C74B
#B1C74B
oklch(78.9% 0.15 118.5)
- #C5A8FF
#C5A8FF
oklch(78.9% 0.124 298.9)
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 #B1C74B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.037
- Pea #A4BF20 ΔE 0.037
- Light Moss Green #A6C875 ΔE 0.040
- Light Olive #ACBF69 ΔE 0.041
- Yellow Green #9ACD32 ΔE 0.041
- Olive Yellow #C2B709 ΔE 0.045
- Pale Olive Green #B1D27B ΔE 0.047
- Mustard Yellow #D2BD0A ΔE 0.049
Use #B1C74B 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.