#B3CA63
Closest named color: Light Moss Green (#A6C875). oklch(80% 0.132 119.9), rgb(179, 202, 99).
Aa
Black text reads best on this color (11.54:1).
About this color
#B3CA63 is a light, moderately saturated yellow. In OKLCH its lightness is 80%, its chroma 0.132 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.025 away. Black text reads best on it, at 11.54:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.54:1 |
| White text | 1.81:1 |
Values
| HEX | #B3CA63 |
| RGB | rgb(179, 202, 99) |
| HSL | hsl(73, 49%, 59%) |
| OKLCH | oklch(80% 0.132 119.9) |
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 #B3CA63 | 1.81:1 | Fails | Lc -38.0 | Non-text elements, placeholder text |
| Black text on #B3CA63 | 11.54:1 | AAA | Lc 70.0 | Content text, not long reading |
| #B3CA63 text on white | 1.81:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #B3CA63 text on black | 11.54:1 | AAA | Lc -68.7 | 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
#E6EED2
oklch(93.6% 0.038 120.1)
-
Step 200
200
#D3E1AA
oklch(88.6% 0.074 119.5)
-
Step 300
300 (this color)
#B3CA63
oklch(80% 0.132 119.9)
-
Step 400
400
#94AE00
oklch(70.6% 0.167 119.8)
-
Step 500
500
#7F9500
oklch(63% 0.149 119.6)
-
Step 600
600
#6A7E00
oklch(55.7% 0.132 120.1)
-
Step 700
700
#596900
oklch(49% 0.116 119.6)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#232B00
oklch(27.2% 0.064 120)
#B3CA63 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) | #D5C05A | 0.050 |
| Deuteranopia (no green cones) | #D2C069 | 0.051 |
| Tritanopia (no blue cones) | #BBC1B3 | 0.112 |
| Achromatopsia (no color) | #C0C0C0 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CA63
#B3CA63
oklch(80% 0.132 119.9)
- #C9ACFF
#C9ACFF
oklch(80% 0.119 299.8)
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 #B3CA63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.025
- Pale Olive Green #B1D27B ΔE 0.027
- Greenish Tan #BCCB7A ΔE 0.029
- Pale Olive #B9CC81 ΔE 0.034
- Light Olive #ACBF69 ΔE 0.034
- Light Olive Green #A4BE5C ΔE 0.039
- Tan Green #A9BE70 ΔE 0.042
- Greenish Beige #C9D179 ΔE 0.043
Use #B3CA63 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.