#33B277
Closest named color: Bluey Green (#2BB179). oklch(68% 0.141 158.4), rgb(51, 178, 119).
Aa
Black text reads best on this color (7.77:1).
About this color
#33B277 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.141 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.006 away. Black text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #33B277 |
| RGB | rgb(51, 178, 119) |
| HSL | hsl(152, 55%, 45%) |
| OKLCH | oklch(68% 0.141 158.4) |
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 #33B277 | 2.70:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #33B277 | 7.77:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #33B277 text on white | 2.70:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #33B277 text on black | 7.77:1 | AAA | Lc -49.9 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE4
oklch(93.6% 0.024 159.1)
-
Step 200
200
#BFE4CD
oklch(88.6% 0.05 157.9)
-
Step 300
300
#8FD2AC
oklch(80.8% 0.087 158.8)
-
Step 400
400 (this color)
#33B277
oklch(68% 0.141 158.4)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#33B277 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) | #B0A473 | 0.130 |
| Deuteranopia (no green cones) | #A0997B | 0.126 |
| Tritanopia (no blue cones) | #00B1A3 | 0.063 |
| Achromatopsia (no color) | #9D9D9D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33B277
#33B277
oklch(68% 0.141 158.4)
- #CF74B6
#CF74B6
oklch(68.1% 0.14 338.2)
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 #33B277, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.006
- Dark Seafoam Green #3EAF76 ΔE 0.009
- Dark Seafoam #1FB57A ΔE 0.010
- Medium Sea Green #3CB371 ΔE 0.010
- Green Teal #0CB577 ΔE 0.013
- Seaweed Green #35AD6B ΔE 0.018
- Jade Green #2BAF6A ΔE 0.018
- Algae #54AC68 ΔE 0.025
Use #33B277 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.