#AAAB20
Closest named color: Mustard Green (#A8B504). oklch(71.7% 0.148 110.1), rgb(170, 171, 32).
Aa
Black text reads best on this color (8.55:1).
About this color
#AAAB20 is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.030 away. Black text reads best on it, at 8.55:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #AAAB20 |
| RGB | rgb(170, 171, 32) |
| HSL | hsl(60, 68%, 40%) |
| OKLCH | oklch(71.7% 0.148 110.1) |
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 #AAAB20 | 2.45:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #AAAB20 | 8.55:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #AAAB20 text on white | 2.45:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #AAAB20 text on black | 8.55:1 | AAA | Lc -53.9 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EAECD8
oklch(93.6% 0.027 111.5)
-
Step 200
200
#DBDDB6
oklch(88.6% 0.052 109.8)
-
Step 300
300
#C4C67F
oklch(80.9% 0.092 109.7)
-
Step 400
400 (this color)
#AAAB20
oklch(71.7% 0.148 110.1)
-
Step 500
500
#8F9000
oklch(63.2% 0.138 110.3)
-
Step 600
600
#787900
oklch(55.7% 0.122 110.4)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#AAAB20 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) | #B9A300 | 0.027 |
| Deuteranopia (no green cones) | #BBA72D | 0.030 |
| Tritanopia (no blue cones) | #B7A092 | 0.133 |
| Achromatopsia (no color) | #A5A5A5 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAB20
#AAAB20
oklch(71.7% 0.148 110.1)
- #A492F9
#A492F9
oklch(71.8% 0.147 290.2)
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 #AAAB20, closest first.
No curated palette has a color within ΔE 0.04 of #AAAB20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.030
- Muddy Yellow #BFAC05 ΔE 0.031
- Avocado #90B134 ΔE 0.035
- Pea Soup Green #94A617 ΔE 0.036
- Icky Green #8FAE22 ΔE 0.037
- Pea Green #8EAB12 ΔE 0.041
- Bright Olive #9CBB04 ΔE 0.049
- Ocher #BF9B0C ΔE 0.049
Use #AAAB20 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.