#33C031
Closest named color: Shamrock Green (#02C14D). oklch(70.8% 0.215 142.7), rgb(51, 192, 49).
Aa
Black text reads best on this color (8.72:1).
About this color
#33C031 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.215 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.021 away. Black text reads best on it, at 8.72:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.215) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #33C031 |
| RGB | rgb(51, 192, 49) |
| HSL | hsl(119, 59%, 47%) |
| OKLCH | oklch(70.8% 0.215 142.7) |
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 #33C031 | 2.40:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #33C031 | 8.72:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #33C031 text on white | 2.40:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #33C031 text on black | 8.72:1 | AAA | Lc -55.2 | 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
#EFF9EE
oklch(97.2% 0.018 142.8)
-
Step 100
100
#DCF1D9
oklch(93.6% 0.039 141.7)
-
Step 200
200
#BDE6B9
oklch(88.4% 0.074 142.6)
-
Step 300
300
#8BD786
oklch(81% 0.135 142.8)
-
Step 400
400 (this color)
#33C031
oklch(70.8% 0.215 142.7)
-
Step 500
500
#00A708
oklch(63.1% 0.213 142.7)
-
Step 600
600
#008C06
oklch(55.5% 0.187 142.7)
-
Step 700
700
#007604
oklch(49% 0.166 142.7)
-
Step 800
800
#006103
oklch(42.7% 0.144 142.8)
-
Step 900
900
#005102
oklch(37.7% 0.127 142.8)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#33C031 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) | #C4AE14 | 0.152 |
| Deuteranopia (no green cones) | #B4A340 | 0.152 |
| Tritanopia (no blue cones) | #00BAA5 | 0.139 |
| Achromatopsia (no color) | #A7A7A7 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33C031
#33C031
oklch(70.8% 0.215 142.7)
- #DD69ED
#DD69ED
oklch(70.8% 0.214 322.7)
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 #33C031, closest first.
No curated palette has a color within ΔE 0.04 of #33C031.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.021
- Frog Green #58BC08 ΔE 0.023
- Leafy Green #51B73B ΔE 0.032
- Lime Green #32CD32 ΔE 0.037
- Shamrock #01B44C ΔE 0.048
- Dark Lime Green #7EBD01 ΔE 0.055
- Apple #6ECB3C ΔE 0.056
- Algae Green #21C36F ΔE 0.056
Use #33C031 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.