#33A308
Closest named color: Grassy Green (#419C03). oklch(62.7% 0.199 140), rgb(51, 163, 8).
Aa
Black text reads best on this color (6.38:1).
About this color
#33A308 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.199 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.020 away. Black text reads best on it, at 6.38:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.199) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #33A308 |
| RGB | rgb(51, 163, 8) |
| HSL | hsl(103, 91%, 34%) |
| OKLCH | oklch(62.7% 0.199 140) |
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 #33A308 | 3.28:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #33A308 | 6.38:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #33A308 text on white | 3.28:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #33A308 text on black | 6.38:1 | AA | Lc -42.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C7E3C1
oklch(88.6% 0.055 140.1)
-
Step 300
300
#9FD094
oklch(80.8% 0.097 139.9)
-
Step 400
400
#67B755
oklch(70.6% 0.155 140)
-
Step 500
500 (this color)
#33A308
oklch(62.7% 0.199 140)
-
Step 600
600
#288A00
oklch(55.5% 0.179 140)
-
Step 700
700
#207400
oklch(49% 0.158 140)
-
Step 800
800
#196000
oklch(42.8% 0.138 140)
-
Step 900
900
#135000
oklch(37.8% 0.122 140.1)
-
Step 950
950
#0B2F03
oklch(26.9% 0.081 140.1)
#33A308 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) | #A89300 | 0.136 |
| Deuteranopia (no green cones) | #9B8A24 | 0.134 |
| Tritanopia (no blue cones) | #1E9D8A | 0.135 |
| Achromatopsia (no color) | #8E8E8E | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33A308
#33A308
oklch(62.7% 0.199 140)
- #BB56D1
#BB56D1
oklch(62.7% 0.2 320.1)
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 #33A308, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.020
- Grass Green #3F9B0B ΔE 0.024
- Kelly Green #02AB2E ΔE 0.024
- Leaf Green #5CA904 ΔE 0.038
- Medium Green #39AD48 ΔE 0.045
- Grass #5CAC2D ΔE 0.048
- Mid Green #50A747 ΔE 0.049
- True Green #089404 ΔE 0.050
Use #33A308 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.