#B1BC58
Closest named color: Light Olive (#ACBF69). oklch(76.6% 0.125 114.6), rgb(177, 188, 88).
Aa
Black text reads best on this color (10.20:1).
About this color
#B1BC58 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.125 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.016 away. Black text reads best on it, at 10.20:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.20:1 |
| White text | 2.05:1 |
Values
| HEX | #B1BC58 |
| RGB | rgb(177, 188, 88) |
| HSL | hsl(67, 43%, 54%) |
| OKLCH | oklch(76.6% 0.125 114.6) |
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 #B1BC58 | 2.05:1 | Fails | Lc -44.6 | Non-text elements, placeholder text |
| Black text on #B1BC58 | 10.20:1 | AAA | Lc 63.9 | Content text, not long reading |
| #B1BC58 text on white | 2.05:1 | Fails | Lc 40.1 | Non-text elements, placeholder text |
| #B1BC58 text on black | 10.20:1 | AAA | Lc -62.2 | 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
#F5F7EA
oklch(97.1% 0.017 113.8)
-
Step 100
100
#E9EDD2
oklch(93.6% 0.036 113.9)
-
Step 200
200
#D7DFAA
oklch(88.4% 0.07 114.8)
-
Step 300
300 (this color)
#B1BC58
oklch(76.6% 0.125 114.6)
-
Step 400
400
#9FAB00
oklch(70.7% 0.16 114.7)
-
Step 500
500
#889200
oklch(63% 0.142 114.5)
-
Step 600
600
#727B00
oklch(55.6% 0.126 114.8)
-
Step 700
700
#606700
oklch(49.1% 0.111 114.3)
-
Step 800
800
#4E5400
oklch(42.6% 0.096 114.4)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262900
oklch(26.9% 0.06 113.9)
#B1BC58 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) | #C8B44E | 0.036 |
| Deuteranopia (no green cones) | #C7B65E | 0.037 |
| Tritanopia (no blue cones) | #BBB3A6 | 0.109 |
| Achromatopsia (no color) | #B5B5B5 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BC58
#B1BC58
oklch(76.6% 0.125 114.6)
- #B8A2FA
#B8A2FA
oklch(76.5% 0.125 294.7)
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 #B1BC58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.016
- Light Olive Green #A4BE5C ΔE 0.017
- Tan Green #A9BE70 ΔE 0.024
- Dark Khaki #BDB76B ΔE 0.034
- Light Moss Green #A6C875 ΔE 0.036
- Olive Yellow #C2B709 ΔE 0.042
- Pea #A4BF20 ΔE 0.048
- Mustard Green #A8B504 ΔE 0.050
Use #B1BC58 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.