#01B38B
Closest named color: Bluey Green (#2BB179). oklch(68.2% 0.136 169.5), rgb(1, 179, 139).
Aa
Black text reads best on this color (7.82:1).
About this color
#01B38B is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.136 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.023 away. Black text reads best on it, at 7.82:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.82:1 |
| White text | 2.68:1 |
Values
| HEX | #01B38B |
| RGB | rgb(1, 179, 139) |
| HSL | hsl(167, 99%, 35%) |
| OKLCH | oklch(68.2% 0.136 169.5) |
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 #01B38B | 2.68:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #01B38B | 7.82:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #01B38B text on white | 2.68:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #01B38B text on black | 7.82:1 | AAA | Lc -50.4 | 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
#DBEFE7
oklch(93.5% 0.024 169.9)
-
Step 200
200
#BCE4D4
oklch(88.6% 0.047 169)
-
Step 300
300
#87D3B8
oklch(81% 0.085 169.7)
-
Step 400
400 (this color)
#01B38B
oklch(68.2% 0.136 169.5)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#01B38B 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) | #AEA689 | 0.138 |
| Deuteranopia (no green cones) | #9B988E | 0.133 |
| Tritanopia (no blue cones) | #00B4A8 | 0.042 |
| Achromatopsia (no color) | #9E9E9E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01B38B
#01B38B
oklch(68.2% 0.136 169.5)
- #D673A5
#D673A5
oklch(68.2% 0.136 349.7)
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 #01B38B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.023
- Dark Seafoam #1FB57A ΔE 0.026
- Greeny Blue #42B395 ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Green Teal #0CB577 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.036
- Green Blue #01C08D ΔE 0.038
- Jade #1FA774 ΔE 0.039
Use #01B38B 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.