#A5B211
Closest named color: Mustard Green (#A8B504). oklch(72.9% 0.162 115), rgb(165, 178, 17).
Aa
Black text reads best on this color (8.97:1).
About this color
#A5B211 is a medium-light, vivid yellow. In OKLCH its lightness is 73%, its chroma 0.162 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.010 away. Black text reads best on it, at 8.97:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 8.97:1 |
| White text | 2.33:1 |
Values
| HEX | #A5B211 |
| RGB | rgb(165, 178, 17) |
| HSL | hsl(65, 83%, 38%) |
| OKLCH | oklch(72.9% 0.162 115) |
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 #A5B211 | 2.33:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #A5B211 | 8.97:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #A5B211 text on white | 2.33:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #A5B211 text on black | 8.97:1 | AAA | Lc -56.1 | 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
#F5F7ED
oklch(97.2% 0.013 115.8)
-
Step 100
100
#E9EDD7
oklch(93.7% 0.029 115.3)
-
Step 200
200
#D7DEB4
oklch(88.4% 0.056 115.2)
-
Step 300
300
#BEC97B
oklch(81% 0.102 115.3)
-
Step 400
400 (this color)
#A5B211
oklch(72.9% 0.162 115)
-
Step 500
500
#889300
oklch(63.3% 0.143 115)
-
Step 600
600
#727B00
oklch(55.6% 0.126 114.8)
-
Step 700
700
#5F6700
oklch(49% 0.111 115)
-
Step 800
800
#4E5500
oklch(42.8% 0.097 115.1)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262A00
oklch(27.2% 0.062 115.2)
#A5B211 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) | #C0A800 | 0.045 |
| Deuteranopia (no green cones) | #BFAB27 | 0.045 |
| Tritanopia (no blue cones) | #B1A797 | 0.142 |
| Achromatopsia (no color) | #A9A9A9 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5B211
#A5B211
oklch(72.9% 0.162 115)
- #AF91FF
#AF91FF
oklch(72.9% 0.157 294.8)
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 #A5B211, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.010
- Bright Olive #9CBB04 ΔE 0.027
- Avocado #90B134 ΔE 0.029
- Icky Green #8FAE22 ΔE 0.032
- Pea #A4BF20 ΔE 0.034
- Pea Green #8EAB12 ΔE 0.038
- Muddy Yellow #BFAC05 ΔE 0.039
- Pea Soup Green #94A617 ΔE 0.042
Use #A5B211 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.