#1DAF8A
Closest named color: Bluey Green (#2BB179). oklch(67.3% 0.128 169.9), rgb(29, 175, 138).
Aa
Black text reads best on this color (7.55:1).
About this color
#1DAF8A is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.128 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.026 away. Black text reads best on it, at 7.55:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.55:1 |
| White text | 2.78:1 |
Values
| HEX | #1DAF8A |
| RGB | rgb(29, 175, 138) |
| HSL | hsl(165, 72%, 40%) |
| OKLCH | oklch(67.3% 0.128 169.9) |
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 #1DAF8A | 2.78:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #1DAF8A | 7.55:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #1DAF8A text on white | 2.78:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #1DAF8A text on black | 7.55:1 | AAA | Lc -48.7 | 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
#BDE3D5
oklch(88.5% 0.044 170.9)
-
Step 300
300
#8BD2B9
oklch(81% 0.08 170.1)
-
Step 400
400 (this color)
#1DAF8A
oklch(67.3% 0.128 169.9)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#1DAF8A 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) | #AAA288 | 0.131 |
| Deuteranopia (no green cones) | #98968D | 0.125 |
| Tritanopia (no blue cones) | #00B0A4 | 0.037 |
| Achromatopsia (no color) | #9B9B9B | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DAF8A
#1DAF8A
oklch(67.3% 0.128 169.9)
- #D073A1
#D073A1
oklch(67.3% 0.128 350.1)
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 #1DAF8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.026
- Greeny Blue #42B395 ΔE 0.027
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.033
- Jade #1FA774 ΔE 0.033
- Green Teal #0CB577 ΔE 0.037
- Seaweed Green #35AD6B ΔE 0.040
- Medium Sea Green #3CB371 ΔE 0.040
Use #1DAF8A 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.