#A9BB59
Closest named color: Light Olive Green (#A4BE5C). oklch(75.7% 0.126 118.1), rgb(169, 187, 89).
Aa
Black text reads best on this color (9.93:1).
About this color
#A9BB59 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 76%, its chroma 0.126 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.009 away. Black text reads best on it, at 9.93:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.93:1 |
| White text | 2.11:1 |
Values
| HEX | #A9BB59 |
| RGB | rgb(169, 187, 89) |
| HSL | hsl(71, 42%, 54%) |
| OKLCH | oklch(75.7% 0.126 118.1) |
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 #A9BB59 | 2.11:1 | Fails | Lc -46.0 | Large or bold text, headings |
| Black text on #A9BB59 | 9.93:1 | AAA | Lc 62.6 | Content text, not long reading |
| #A9BB59 text on white | 2.11:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #A9BB59 text on black | 9.93:1 | AAA | Lc -60.9 | 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
#F5F6EF
oklch(97% 0.009 113.2)
-
Step 100
100
#E8ECDB
oklch(93.5% 0.023 117.6)
-
Step 200
200
#D6DEBE
oklch(88.6% 0.044 118.7)
-
Step 300
300
#BCC88E
oklch(80.9% 0.078 117.7)
-
Step 400
400 (this color)
#A9BB59
oklch(75.7% 0.126 118.1)
-
Step 500
500
#829400
oklch(63% 0.147 118)
-
Step 600
600
#6D7D00
oklch(55.7% 0.13 118.3)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3E4700
oklch(37.7% 0.087 117.6)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#A9BB59 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) | #C6B250 | 0.044 |
| Deuteranopia (no green cones) | #C4B35F | 0.045 |
| Tritanopia (no blue cones) | #B1B2A5 | 0.108 |
| Achromatopsia (no color) | #B2B2B2 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BB59
#A9BB59
oklch(75.7% 0.126 118.1)
- #BA9EF5
#BA9EF5
oklch(75.7% 0.125 298.2)
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 #A9BB59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.009
- Light Olive #ACBF69 ΔE 0.018
- Tan Green #A9BE70 ΔE 0.023
- Light Moss Green #A6C875 ΔE 0.038
- Dark Khaki #BDB76B ΔE 0.039
- Pea #A4BF20 ΔE 0.046
- Mustard Green #A8B504 ΔE 0.046
- Olive Yellow #C2B709 ΔE 0.048
Use #A9BB59 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.