#A2B91F
Closest named color: Mustard Green (#A8B504). oklch(74.3% 0.166 118.6), rgb(162, 185, 31).
Aa
Black text reads best on this color (9.49:1).
About this color
#A2B91F is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.166 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.012 away. Black text reads best on it, at 9.49:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.49:1 |
| White text | 2.21:1 |
Values
| HEX | #A2B91F |
| RGB | rgb(162, 185, 31) |
| HSL | hsl(69, 71%, 42%) |
| OKLCH | oklch(74.3% 0.166 118.6) |
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 #A2B91F | 2.21:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #A2B91F | 9.49:1 | AAA | Lc 60.6 | Content text, not long reading |
| #A2B91F text on white | 2.21:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #A2B91F text on black | 9.49:1 | AAA | Lc -58.8 | 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
#F4F7ED
oklch(97.1% 0.014 120.3)
-
Step 100
100
#E7EDD7
oklch(93.6% 0.03 119.4)
-
Step 200
200
#D5DFB4
oklch(88.5% 0.058 118.2)
-
Step 300
300
#BACA7C
oklch(80.9% 0.103 118.2)
-
Step 400
400 (this color)
#A2B91F
oklch(74.3% 0.166 118.6)
-
Step 500
500
#819500
oklch(63.2% 0.148 118.8)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
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
#3D4700
oklch(37.6% 0.088 118.5)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#A2B91F 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) | #C6AE00 | 0.055 |
| Deuteranopia (no green cones) | #C3AF30 | 0.056 |
| Tritanopia (no blue cones) | #ACAE9E | 0.144 |
| Achromatopsia (no color) | #AEAEAE | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A2B91F
#A2B91F
oklch(74.3% 0.166 118.6)
- #B994FF
#B994FF
oklch(74.3% 0.154 298.5)
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 #A2B91F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.012
- Bright Olive #9CBB04 ΔE 0.013
- Pea #A4BF20 ΔE 0.017
- Avocado #90B134 ΔE 0.036
- Icky Green #8FAE22 ΔE 0.041
- Dark Lime #84B701 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.042
- Olive Yellow #C2B709 ΔE 0.044
Use #A2B91F 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.