#33A400
Closest named color: Kelly Green (#02AB2E). oklch(63% 0.202 139.8), rgb(51, 164, 0).
Aa
Black text reads best on this color (6.45:1).
About this color
#33A400 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.202 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.023 away. Black text reads best on it, at 6.45:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.202) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #33A400 |
| RGB | rgb(51, 164, 0) |
| HSL | hsl(101, 100%, 32%) |
| OKLCH | oklch(63% 0.202 139.8) |
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 #33A400 | 3.25:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #33A400 | 6.45:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #33A400 text on white | 3.25:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #33A400 text on black | 6.45:1 | AA | Lc -42.4 | 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
#C7E3C0
oklch(88.6% 0.056 139.4)
-
Step 300
300
#9FD193
oklch(81% 0.1 139.6)
-
Step 400
400
#67B853
oklch(70.8% 0.159 139.7)
-
Step 500
500 (this color)
#33A400
oklch(63% 0.202 139.8)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#0A2F02
oklch(26.8% 0.083 140)
#33A400 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) | #A99400 | 0.137 |
| Deuteranopia (no green cones) | #9C8B21 | 0.135 |
| Tritanopia (no blue cones) | #1E9E8B | 0.138 |
| Achromatopsia (no color) | #8E8E8E | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33A400
#33A400
oklch(63% 0.202 139.8)
- #BC56D3
#BC56D3
oklch(62.9% 0.202 319.9)
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 #33A400, closest first.
No curated palette has a color within ΔE 0.04 of #33A400.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.023
- Grassy Green #419C03 ΔE 0.024
- Grass Green #3F9B0B ΔE 0.027
- Leaf Green #5CA904 ΔE 0.037
- Medium Green #39AD48 ΔE 0.045
- Grass #5CAC2D ΔE 0.047
- Mid Green #50A747 ΔE 0.050
- Shamrock #01B44C ΔE 0.053
Use #33A400 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.