#B4C577
Closest named color: Light Moss Green (#A6C875). oklch(79.2% 0.104 118.9), rgb(180, 197, 119).
Aa
Black text reads best on this color (11.19:1).
About this color
#B4C577 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.104 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.020 away. Black text reads best on it, at 11.19:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.19:1 |
| White text | 1.87:1 |
Values
| HEX | #B4C577 |
| RGB | rgb(180, 197, 119) |
| HSL | hsl(73, 40%, 62%) |
| OKLCH | oklch(79.2% 0.104 118.9) |
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 #B4C577 | 1.87:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #B4C577 | 11.19:1 | AAA | Lc 68.4 | Content text, not long reading |
| #B4C577 text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #B4C577 text on black | 11.19:1 | AAA | Lc -67.0 | 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
#F4F7ED
oklch(97.1% 0.014 120.3)
-
Step 100
100
#E7EDD7
oklch(93.6% 0.03 119.4)
-
Step 200
200
#D5DFB5
oklch(88.5% 0.057 118.5)
-
Step 300
300 (this color)
#B4C577
oklch(79.2% 0.104 118.9)
-
Step 400
400
#96AE00
oklch(70.7% 0.166 119.1)
-
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
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3D4800
oklch(37.8% 0.089 119.1)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#B4C577 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) | #CEBD71 | 0.039 |
| Deuteranopia (no green cones) | #CCBE7B | 0.039 |
| Tritanopia (no blue cones) | #BBBDB2 | 0.088 |
| Achromatopsia (no color) | #BDBDBD | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C577
#B4C577
oklch(79.2% 0.104 118.9)
- #C4ADF5
#C4ADF5
oklch(79.3% 0.103 298.7)
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 #B4C577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.020
- Greenish Tan #BCCB7A ΔE 0.020
- Pale Olive #B9CC81 ΔE 0.021
- Light Olive #ACBF69 ΔE 0.024
- Tan Green #A9BE70 ΔE 0.025
- Pale Olive Green #B1D27B ΔE 0.034
- Dark Khaki #BDB76B ΔE 0.036
- Light Olive Green #A4BE5C ΔE 0.040
Use #B4C577 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.