#B4C550
Closest named color: Light Olive Green (#A4BE5C). oklch(78.7% 0.143 116.7), rgb(180, 197, 80).
Aa
Black text reads best on this color (11.04:1).
About this color
#B4C550 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.143 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.032 away. Black text reads best on it, at 11.04:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #B4C550 |
| RGB | rgb(180, 197, 80) |
| HSL | hsl(69, 50%, 54%) |
| OKLCH | oklch(78.7% 0.143 116.7) |
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 #B4C550 | 1.90:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #B4C550 | 11.04:1 | AAA | Lc 67.8 | Content text, not long reading |
| #B4C550 text on white | 1.90:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #B4C550 text on black | 11.04:1 | AAA | Lc -66.4 | 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
#F4F7E9
oklch(97% 0.019 116.6)
-
Step 100
100
#E8EECF
oklch(93.6% 0.041 116.1)
-
Step 200
200
#D5E0A5
oklch(88.4% 0.078 116.6)
-
Step 300
300 (this color)
#B4C550
oklch(78.7% 0.143 116.7)
-
Step 400
400
#9BAC00
oklch(70.7% 0.162 116.6)
-
Step 500
500
#859400
oklch(63.2% 0.145 116.7)
-
Step 600
600
#6F7C00
oklch(55.6% 0.128 116.8)
-
Step 700
700
#5D6800
oklch(49.1% 0.113 116.8)
-
Step 800
800
#4C5500
oklch(42.7% 0.098 116.6)
-
Step 900
900
#3F4700
oklch(37.7% 0.087 116.8)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#B4C550 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) | #D1BB43 | 0.044 |
| Deuteranopia (no green cones) | #D0BD57 | 0.046 |
| Tritanopia (no blue cones) | #BEBBAC | 0.123 |
| Achromatopsia (no color) | #BCBCBC | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C550
#B4C550
oklch(78.7% 0.143 116.7)
- #C2A9FF
#C2A9FF
oklch(78.8% 0.122 296.9)
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 #B4C550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.032
- Light Olive #ACBF69 ΔE 0.034
- Light Moss Green #A6C875 ΔE 0.036
- Pea #A4BF20 ΔE 0.042
- Olive Yellow #C2B709 ΔE 0.042
- Tan Green #A9BE70 ΔE 0.043
- Greenish Tan #BCCB7A ΔE 0.044
- Pale Olive Green #B1D27B ΔE 0.045
Use #B4C550 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.