#B3C557
Closest named color: Light Olive (#ACBF69). oklch(78.7% 0.137 117.4), rgb(179, 197, 87).
Aa
Black text reads best on this color (11.04:1).
About this color
#B3C557 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.137 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.029 away. Black text reads best on it, at 11.04:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #B3C557 |
| RGB | rgb(179, 197, 87) |
| HSL | hsl(70, 49%, 56%) |
| OKLCH | oklch(78.7% 0.137 117.4) |
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 #B3C557 | 1.90:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #B3C557 | 11.04:1 | AAA | Lc 67.7 | Content text, not long reading |
| #B3C557 text on white | 1.90:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #B3C557 text on black | 11.04:1 | AAA | Lc -66.3 | 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
#E7EED0
oklch(93.6% 0.04 117.9)
-
Step 200
200
#D5E0A7
oklch(88.4% 0.076 116.9)
-
Step 300
300 (this color)
#B3C557
oklch(78.7% 0.137 117.4)
-
Step 400
400
#9AAD00
oklch(70.8% 0.164 117.3)
-
Step 500
500
#839400
oklch(63.1% 0.146 117.6)
-
Step 600
600
#6E7C00
oklch(55.5% 0.128 117.3)
-
Step 700
700
#5C6800
oklch(49% 0.113 117.4)
-
Step 800
800
#4B5500
oklch(42.6% 0.098 117.3)
-
Step 900
900
#3E4700
oklch(37.7% 0.087 117.6)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#B3C557 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) | #D1BC4C | 0.044 |
| Deuteranopia (no green cones) | #CFBD5E | 0.046 |
| Tritanopia (no blue cones) | #BDBBAD | 0.118 |
| Achromatopsia (no color) | #BCBCBC | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3C557
#B3C557
oklch(78.7% 0.137 117.4)
- #C3A8FF
#C3A8FF
oklch(78.7% 0.124 297.8)
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 #B3C557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.029
- Light Olive Green #A4BE5C ΔE 0.030
- Light Moss Green #A6C875 ΔE 0.030
- Tan Green #A9BE70 ΔE 0.038
- Greenish Tan #BCCB7A ΔE 0.040
- Pale Olive Green #B1D27B ΔE 0.042
- Pale Olive #B9CC81 ΔE 0.045
- Pea #A4BF20 ΔE 0.045
Use #B3C557 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.