#B1C459
Closest named color: Light Olive (#ACBF69). oklch(78.4% 0.134 118), rgb(177, 196, 89).
Aa
Black text reads best on this color (10.90:1).
About this color
#B1C459 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.134 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.025 away. Black text reads best on it, at 10.90:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.90:1 |
| White text | 1.92:1 |
Values
| HEX | #B1C459 |
| RGB | rgb(177, 196, 89) |
| HSL | hsl(71, 48%, 56%) |
| OKLCH | oklch(78.4% 0.134 118) |
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 #B1C459 | 1.92:1 | Fails | Lc -41.1 | Non-text elements, placeholder text |
| Black text on #B1C459 | 10.90:1 | AAA | Lc 67.1 | Content text, not long reading |
| #B1C459 text on white | 1.92:1 | Fails | Lc 36.8 | Non-text elements, placeholder text |
| #B1C459 text on black | 10.90:1 | AAA | Lc -65.7 | 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
#F4F7EA
oklch(97% 0.017 117.3)
-
Step 100
100
#E7EED1
oklch(93.6% 0.039 118.2)
-
Step 200
200
#D4E0A9
oklch(88.4% 0.074 117.9)
-
Step 300
300 (this color)
#B1C459
oklch(78.4% 0.134 118)
-
Step 400
400
#98AD00
oklch(70.6% 0.165 118.1)
-
Step 500
500
#829400
oklch(63% 0.147 118)
-
Step 600
600
#6D7D00
oklch(55.7% 0.13 118.3)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4B5600
oklch(42.8% 0.1 117.9)
-
Step 900
900
#3E4700
oklch(37.7% 0.087 117.6)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#B1C459 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) | #D0BB4E | 0.046 |
| Deuteranopia (no green cones) | #CDBB5F | 0.047 |
| Tritanopia (no blue cones) | #BABBAC | 0.114 |
| Achromatopsia (no color) | #BBBBBB | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C459
#B1C459
oklch(78.4% 0.134 118)
- #C2A6FF
#C2A6FF
oklch(78.3% 0.127 297.9)
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 #B1C459, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.025
- Light Olive Green #A4BE5C ΔE 0.025
- Light Moss Green #A6C875 ΔE 0.028
- Tan Green #A9BE70 ΔE 0.034
- Greenish Tan #BCCB7A ΔE 0.040
- Pale Olive Green #B1D27B ΔE 0.043
- Pea #A4BF20 ΔE 0.045
- Pale Olive #B9CC81 ΔE 0.045
Use #B1C459 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.