#33BF55
Closest named color: Shamrock Green (#02C14D). oklch(70.9% 0.188 147.3), rgb(51, 191, 85).
Aa
Black text reads best on this color (8.72:1).
About this color
#33BF55 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.188 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.017 away. Black text reads best on it, at 8.72:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #33BF55 |
| RGB | rgb(51, 191, 85) |
| HSL | hsl(135, 58%, 47%) |
| OKLCH | oklch(70.9% 0.188 147.3) |
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 #33BF55 | 2.40:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #33BF55 | 8.72:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #33BF55 text on white | 2.40:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #33BF55 text on black | 8.72:1 | AAA | Lc -55.1 | 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
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#DCF1DD
oklch(93.7% 0.035 146.6)
-
Step 200
200
#BDE6C1
oklch(88.6% 0.066 147.7)
-
Step 300
300
#8BD594
oklch(80.8% 0.117 147.4)
-
Step 400
400 (this color)
#33BF55
oklch(70.9% 0.188 147.3)
-
Step 500
500
#00A63D
oklch(63.2% 0.187 147.2)
-
Step 600
600
#008B32
oklch(55.5% 0.164 147.3)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#33BF55 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) | #C1AE4B | 0.147 |
| Deuteranopia (no green cones) | #B1A35D | 0.145 |
| Tritanopia (no blue cones) | #00BBA7 | 0.110 |
| Achromatopsia (no color) | #A7A7A7 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33BF55
#33BF55
oklch(70.9% 0.188 147.3)
- #DC70DD
#DC70DD
oklch(70.8% 0.189 327)
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 #33BF55, closest first.
No curated palette has a color within ΔE 0.04 of #33BF55.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.017
- Algae Green #21C36F ΔE 0.027
- Leafy Green #51B73B ΔE 0.027
- Cool Green #33B864 ΔE 0.030
- Dark Mint Green #20C073 ΔE 0.033
- Shamrock #01B44C ΔE 0.037
- Dark Mint #48C072 ΔE 0.037
- Frog Green #58BC08 ΔE 0.043
Use #33BF55 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.