#AAB259
Closest named color: Light Olive Green (#A4BE5C). oklch(73.8% 0.114 113.4), rgb(170, 178, 89).
Aa
Black text reads best on this color (9.22:1).
About this color
#AAB259 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.114 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.032 away. Black text reads best on it, at 9.22:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #AAB259 |
| RGB | rgb(170, 178, 89) |
| HSL | hsl(65, 37%, 52%) |
| OKLCH | oklch(73.8% 0.114 113.4) |
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 #AAB259 | 2.27:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #AAB259 | 9.22:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #AAB259 text on white | 2.27:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #AAB259 text on black | 9.22:1 | AAA | Lc -57.3 | 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
#F5F6EF
oklch(97% 0.009 113.2)
-
Step 100
100
#E9ECDC
oklch(93.6% 0.021 115.4)
-
Step 200
200
#D8DCBF
oklch(88.4% 0.039 113.6)
-
Step 300
300
#C0C691
oklch(80.9% 0.071 113.2)
-
Step 400
400 (this color)
#AAB259
oklch(73.8% 0.114 113.4)
-
Step 500
500
#8A9200
oklch(63.2% 0.142 113.6)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#AAB259 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) | #BDAB51 | 0.030 |
| Deuteranopia (no green cones) | #BDAD5E | 0.032 |
| Tritanopia (no blue cones) | #B3A99E | 0.101 |
| Achromatopsia (no color) | #ACACAC | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB259
#AAB259
oklch(73.8% 0.114 113.4)
- #AD9CEB
#AD9CEB
oklch(73.7% 0.113 293.3)
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 #AAB259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.032
- Tan Green #A9BE70 ΔE 0.034
- Light Olive #ACBF69 ΔE 0.035
- Dark Khaki #BDB76B ΔE 0.037
- Lichen #8FB67B ΔE 0.045
- Muddy Yellow #BFAC05 ΔE 0.048
- Sage Green #88B378 ΔE 0.050
- Avocado #90B134 ΔE 0.052
Use #AAB259 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.