#33B101
Closest named color: Kelly Green (#02AB2E). oklch(66.5% 0.215 140.3), rgb(51, 177, 1).
Aa
Black text reads best on this color (7.43:1).
About this color
#33B101 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.215 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 0.030 away. Black text reads best on it, at 7.43:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.215) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #33B101 |
| RGB | rgb(51, 177, 1) |
| HSL | hsl(103, 99%, 35%) |
| OKLCH | oklch(66.5% 0.215 140.3) |
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 #33B101 | 2.82:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #33B101 | 7.43:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #33B101 text on white | 2.82:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #33B101 text on black | 7.43:1 | AAA | Lc -48.2 | 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 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#DFEFDC
oklch(93.5% 0.03 140.8)
-
Step 200
200
#C5E3BF
oklch(88.4% 0.058 140.4)
-
Step 300
300
#9CD291
oklch(81% 0.105 140.3)
-
Step 400
400
#60B94E
oklch(70.7% 0.168 140.4)
-
Step 500
500 (this color)
#33B101
oklch(66.5% 0.215 140.3)
-
Step 600
600
#268B00
oklch(55.7% 0.18 140.3)
-
Step 700
700
#1E7500
oklch(49.2% 0.159 140.3)
-
Step 800
800
#176000
oklch(42.8% 0.139 140.3)
-
Step 900
900
#125000
oklch(37.7% 0.122 140.2)
-
Step 950
950
#073000
oklch(27% 0.088 140.4)
#33B101 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) | #B6A000 | 0.147 |
| Deuteranopia (no green cones) | #A89625 | 0.145 |
| Tritanopia (no blue cones) | #16AB96 | 0.145 |
| Achromatopsia (no color) | #9A9A9A | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33B101
#33B101
oklch(66.5% 0.215 140.3)
- #CC5CE3
#CC5CE3
oklch(66.6% 0.216 320.5)
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 #33B101, closest first.
No curated palette has a color within ΔE 0.04 of #33B101.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.030
- Leaf Green #5CA904 ΔE 0.034
- Shamrock #01B44C ΔE 0.039
- Leafy Green #51B73B ΔE 0.040
- Grass #5CAC2D ΔE 0.040
- Frog Green #58BC08 ΔE 0.043
- Medium Green #39AD48 ΔE 0.044
- Shamrock Green #02C14D ΔE 0.051
Use #33B101 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.