#A7B021
Closest named color: Mustard Green (#A8B504). oklch(72.6% 0.154 113.5), rgb(167, 176, 33).
Aa
Black text reads best on this color (8.87:1).
About this color
#A7B021 is a medium-light, vivid yellow. In OKLCH its lightness is 73%, its chroma 0.154 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.017 away. Black text reads best on it, at 8.87:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #A7B021 |
| RGB | rgb(167, 176, 33) |
| HSL | hsl(64, 68%, 41%) |
| OKLCH | oklch(72.6% 0.154 113.5) |
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 #A7B021 | 2.36:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #A7B021 | 8.87:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #A7B021 text on white | 2.36:1 | Fails | Lc 46.5 | Large or bold text, headings |
| #A7B021 text on black | 8.87:1 | AAA | Lc -55.6 | 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
#E9ECD7
oklch(93.5% 0.028 113.5)
-
Step 200
200
#D8DEB6
oklch(88.6% 0.053 114.4)
-
Step 300
300
#C0C87E
oklch(80.9% 0.097 113.6)
-
Step 400
400 (this color)
#A7B021
oklch(72.6% 0.154 113.5)
-
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)
#A7B021 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) | #BEA700 | 0.038 |
| Deuteranopia (no green cones) | #BEAA2F | 0.039 |
| Tritanopia (no blue cones) | #B3A596 | 0.136 |
| Achromatopsia (no color) | #A8A8A8 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7B021
#A7B021
oklch(72.6% 0.154 113.5)
- #AC92FD
#AC92FD
oklch(72.7% 0.153 293.4)
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 #A7B021, closest first.
No curated palette has a color within ΔE 0.04 of #A7B021.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.017
- Avocado #90B134 ΔE 0.030
- Icky Green #8FAE22 ΔE 0.034
- Muddy Yellow #BFAC05 ΔE 0.034
- Bright Olive #9CBB04 ΔE 0.036
- Pea Green #8EAB12 ΔE 0.039
- Pea Soup Green #94A617 ΔE 0.040
- Pea #A4BF20 ΔE 0.040
Use #A7B021 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.