#33BB91
Closest named color: Green Blue (#01C08D). oklch(71% 0.131 167.5), rgb(51, 187, 145).
Aa
Black text reads best on this color (8.65:1).
About this color
#33BB91 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.131 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.020 away. Black text reads best on it, at 8.65:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #33BB91 |
| RGB | rgb(51, 187, 145) |
| HSL | hsl(161, 57%, 47%) |
| OKLCH | oklch(71% 0.131 167.5) |
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 #33BB91 | 2.42:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #33BB91 | 8.65:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #33BB91 text on white | 2.42:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #33BB91 text on black | 8.65:1 | AAA | Lc -54.7 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BDE3D3
oklch(88.4% 0.045 167.9)
-
Step 300
300
#8BD2B6
oklch(80.9% 0.082 167.6)
-
Step 400
400 (this color)
#33BB91
oklch(71% 0.131 167.5)
-
Step 500
500
#00A27A
oklch(63.2% 0.129 167.5)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#33BB91 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) | #B6AE8F | 0.130 |
| Deuteranopia (no green cones) | #A5A194 | 0.127 |
| Tritanopia (no blue cones) | #00BCAF | 0.042 |
| Achromatopsia (no color) | #A6A6A6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33BB91
#33BB91
oklch(71% 0.131 167.5)
- #DC7EB0
#DC7EB0
oklch(71% 0.13 347.8)
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 #33BB91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.020
- Greeny Blue #42B395 ΔE 0.026
- Greenblue #23C48B ΔE 0.030
- Dark Seafoam #1FB57A ΔE 0.035
- Bluey Green #2BB179 ΔE 0.039
- Green Teal #0CB577 ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Medium Sea Green #3CB371 ΔE 0.042
Use #33BB91 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.