#A1BB53
Closest named color: Light Olive Green (#A4BE5C). oklch(75.1% 0.134 121.4), rgb(161, 187, 83).
Aa
Black text reads best on this color (9.74:1).
About this color
#A1BB53 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.134 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.012 away. Black text reads best on it, at 9.74:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.74:1 |
| White text | 2.15:1 |
Values
| HEX | #A1BB53 |
| RGB | rgb(161, 187, 83) |
| HSL | hsl(75, 43%, 53%) |
| OKLCH | oklch(75.1% 0.134 121.4) |
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 #A1BB53 | 2.15:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #A1BB53 | 9.74:1 | AAA | Lc 61.7 | Content text, not long reading |
| #A1BB53 text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #A1BB53 text on black | 9.74:1 | AAA | Lc -60.0 | Large or bold text, headings |
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
#E7EDDB
oklch(93.7% 0.025 121.9)
-
Step 200
200
#D4DEBD
oklch(88.4% 0.045 121)
-
Step 300
300
#B8CA8C
oklch(81% 0.085 121.5)
-
Step 400
400 (this color)
#A1BB53
oklch(75.1% 0.134 121.4)
-
Step 500
500
#7C9600
oklch(63% 0.151 121.2)
-
Step 600
600
#687E00
oklch(55.5% 0.133 121.1)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4800
oklch(37.6% 0.091 121.4)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#A1BB53 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) | #C5B148 | 0.053 |
| Deuteranopia (no green cones) | #C2B159 | 0.054 |
| Tritanopia (no blue cones) | #A8B2A4 | 0.112 |
| Achromatopsia (no color) | #B1B1B1 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BB53
#A1BB53
oklch(75.1% 0.134 121.4)
- #BD99F5
#BD99F5
oklch(75.1% 0.134 301.3)
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 #A1BB53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.012
- Light Olive #ACBF69 ΔE 0.029
- Tan Green #A9BE70 ΔE 0.033
- Pea #A4BF20 ΔE 0.038
- Mustard Green #A8B504 ΔE 0.039
- Avocado #90B134 ΔE 0.043
- Bright Olive #9CBB04 ΔE 0.044
- Light Moss Green #A6C875 ΔE 0.044
Use #A1BB53 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.