#259D8A
Closest named color: Persian Green (#2A9D8F). oklch(62.8% 0.105 179.3), rgb(37, 157, 138).
Aa
Black text reads best on this color (6.26:1).
About this color
#259D8A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.105 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.008 away. Black text reads best on it, at 6.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #259D8A |
| RGB | rgb(37, 157, 138) |
| HSL | hsl(171, 62%, 38%) |
| OKLCH | oklch(62.8% 0.105 179.3) |
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 #259D8A | 3.35:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #259D8A | 6.26:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #259D8A text on white | 3.35:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #259D8A text on black | 6.26:1 | AA | Lc -41.2 | Non-text elements, placeholder text |
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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0D9
oklch(88.6% 0.029 177.6)
-
Step 300
300
#9DCCC1
oklch(80.9% 0.052 179)
-
Step 400
400
#62B2A2
oklch(70.8% 0.083 179.3)
-
Step 500
500 (this color)
#259D8A
oklch(62.8% 0.105 179.3)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#072D27
oklch(26.9% 0.043 180.1)
#259D8A 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) | #969389 | 0.111 |
| Deuteranopia (no green cones) | #86878C | 0.107 |
| Tritanopia (no blue cones) | #00A097 | 0.019 |
| Achromatopsia (no color) | #8C8C8C | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #259D8A
#259D8A
oklch(62.8% 0.105 179.3)
- #BC6C87
#BC6C87
oklch(62.8% 0.106 359)
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 #259D8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.008
- Blue Green #0F9B8E ΔE 0.012
- Sea #3C9992 ΔE 0.023
- Ocean Green #3D9973 ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
- Teal Green #0A9396 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.044
Use #259D8A 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.