#A1BB63
Closest named color: Light Olive Green (#A4BE5C). oklch(75.3% 0.118 122.8), rgb(161, 187, 99).
Aa
Black text reads best on this color (9.80:1).
About this color
#A1BB63 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.118 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.013 away. Black text reads best on it, at 9.80:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.80:1 |
| White text | 2.14:1 |
Values
| HEX | #A1BB63 |
| RGB | rgb(161, 187, 99) |
| HSL | hsl(78, 39%, 56%) |
| OKLCH | oklch(75.3% 0.118 122.8) |
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 #A1BB63 | 2.14:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #A1BB63 | 9.80:1 | AAA | Lc 62.0 | Content text, not long reading |
| #A1BB63 text on white | 2.14:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #A1BB63 text on black | 9.80:1 | AAA | Lc -60.2 | 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 400.
-
Step 50
50
#F4F7EF
oklch(97.2% 0.011 123.5)
-
Step 100
100
#E7ECDD
oklch(93.5% 0.021 121.8)
-
Step 200
200
#D4DEC0
oklch(88.5% 0.042 122.3)
-
Step 300
300
#B8C994
oklch(81% 0.074 122.5)
-
Step 400
400 (this color)
#A1BB63
oklch(75.3% 0.118 122.8)
-
Step 500
500
#79970D
oklch(63.1% 0.151 122.8)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B03
oklch(27% 0.062 122.8)
#A1BB63 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) | #C4B25C | 0.051 |
| Deuteranopia (no green cones) | #C0B168 | 0.051 |
| Tritanopia (no blue cones) | #A7B3A6 | 0.097 |
| Achromatopsia (no color) | #B1B1B1 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BB63
#A1BB63
oklch(75.3% 0.118 122.8)
- #BE9CED
#BE9CED
oklch(75.3% 0.119 302.9)
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 #A1BB63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.013
- Tan Green #A9BE70 ΔE 0.020
- Light Olive #ACBF69 ΔE 0.020
- Light Moss Green #A6C875 ΔE 0.037
- Lichen #8FB67B ΔE 0.040
- Dark Khaki #BDB76B ΔE 0.042
- Sage Green #88B378 ΔE 0.048
- Dark Sea Green #8FBC8F ΔE 0.053
Use #A1BB63 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.