#ACB559
Closest named color: Light Olive Green (#A4BE5C). oklch(74.6% 0.117 113.9), rgb(172, 181, 89).
Aa
Black text reads best on this color (9.50:1).
About this color
#ACB559 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.117 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.025 away. Black text reads best on it, at 9.50:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.50:1 |
| White text | 2.20:1 |
Values
| HEX | #ACB559 |
| RGB | rgb(172, 181, 89) |
| HSL | hsl(66, 38%, 53%) |
| OKLCH | oklch(74.6% 0.117 113.9) |
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 #ACB559 | 2.20:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #ACB559 | 9.50:1 | AAA | Lc 60.5 | Content text, not long reading |
| #ACB559 text on white | 2.20:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #ACB559 text on black | 9.50:1 | AAA | Lc -58.7 | 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
#D8DDBE
oklch(88.6% 0.042 114.7)
-
Step 300
300
#C0C690
oklch(80.8% 0.072 113.2)
-
Step 400
400 (this color)
#ACB559
oklch(74.6% 0.117 113.9)
-
Step 500
500
#899200
oklch(63.1% 0.142 114.1)
-
Step 600
600
#737A00
oklch(55.5% 0.124 113.7)
-
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
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262900
oklch(26.9% 0.06 113.9)
#ACB559 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) | #C0AD51 | 0.033 |
| Deuteranopia (no green cones) | #C0AF5E | 0.034 |
| Tritanopia (no blue cones) | #B5ACA0 | 0.102 |
| Achromatopsia (no color) | #AEAEAE | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB559
#ACB559
oklch(74.6% 0.117 113.9)
- #B19EF0
#B19EF0
oklch(74.7% 0.118 294)
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 #ACB559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.025
- Light Olive #ACBF69 ΔE 0.027
- Tan Green #A9BE70 ΔE 0.028
- Dark Khaki #BDB76B ΔE 0.033
- Muddy Yellow #BFAC05 ΔE 0.047
- Lichen #8FB67B ΔE 0.048
- Mustard Green #A8B504 ΔE 0.050
- Light Moss Green #A6C875 ΔE 0.050
Use #ACB559 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.