#A1BB49
Closest named color: Light Olive Green (#A4BE5C). oklch(75% 0.143 120.8), rgb(161, 187, 73).
Aa
Black text reads best on this color (9.71:1).
About this color
#A1BB49 is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.143 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 0.019 away. Black text reads best on it, at 9.71:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #A1BB49 |
| RGB | rgb(161, 187, 73) |
| HSL | hsl(74, 46%, 51%) |
| OKLCH | oklch(75% 0.143 120.8) |
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 #A1BB49 | 2.16:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #A1BB49 | 9.71:1 | AAA | Lc 61.6 | Content text, not long reading |
| #A1BB49 text on white | 2.16:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #A1BB49 text on black | 9.71:1 | AAA | Lc -59.9 | 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
#F4F7EE
oklch(97.1% 0.012 121.7)
-
Step 100
100
#E7EDDA
oklch(93.6% 0.026 121.2)
-
Step 200
200
#D4DFBA
oklch(88.6% 0.051 120.9)
-
Step 300
300
#B8CA88
oklch(80.9% 0.09 120.8)
-
Step 400
400 (this color)
#A1BB49
oklch(75% 0.143 120.8)
-
Step 500
500
#7D9600
oklch(63.1% 0.151 120.8)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475700
oklch(42.8% 0.103 121.1)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#A1BB49 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) | #C6B13C | 0.054 |
| Deuteranopia (no green cones) | #C3B151 | 0.056 |
| Tritanopia (no blue cones) | #A9B2A3 | 0.120 |
| Achromatopsia (no color) | #B0B0B0 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BB49
#A1BB49
oklch(75% 0.143 120.8)
- #BD97FA
#BD97FA
oklch(74.9% 0.143 300.7)
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 #A1BB49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.019
- Pea #A4BF20 ΔE 0.030
- Mustard Green #A8B504 ΔE 0.031
- Bright Olive #9CBB04 ΔE 0.035
- Light Olive #ACBF69 ΔE 0.036
- Avocado #90B134 ΔE 0.039
- Tan Green #A9BE70 ΔE 0.042
- Olive Yellow #C2B709 ΔE 0.047
Use #A1BB49 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.