#E1BE37
Closest named color: Mustard Yellow (#D2BD0A). oklch(81% 0.15 93.7), rgb(225, 190, 55).
Aa
Black text reads best on this color (11.62:1).
About this color
#E1BE37 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.150 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.031 away. Black text reads best on it, at 11.62:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.62:1 |
| White text | 1.80:1 |
Values
| HEX | #E1BE37 |
| RGB | rgb(225, 190, 55) |
| HSL | hsl(48, 74%, 55%) |
| OKLCH | oklch(81% 0.15 93.7) |
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 #E1BE37 | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #E1BE37 | 11.62:1 | AAA | Lc 70.4 | Content text, not long reading |
| #E1BE37 text on white | 1.80:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #E1BE37 text on black | 11.62:1 | AAA | Lc -69.2 | Content text, not long reading |
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 300.
-
Step 50
50
#FAF6E7
oklch(97.2% 0.02 94.5)
-
Step 100
100
#F3EACA
oklch(93.6% 0.043 94.1)
-
Step 200
200
#EBD99A
oklch(88.5% 0.083 94.1)
-
Step 300
300 (this color)
#E1BE37
oklch(81% 0.15 93.7)
-
Step 400
400
#BF9D00
oklch(70.6% 0.145 93.3)
-
Step 500
500
#A48700
oklch(63.2% 0.129 93.7)
-
Step 600
600
#8A7100
oklch(55.6% 0.114 93.5)
-
Step 700
700
#745F00
oklch(49.2% 0.101 93.8)
-
Step 800
800
#5F4D00
oklch(42.6% 0.087 93.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2500
oklch(26.8% 0.055 93.5)
#E1BE37 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) | #D3BB1D | 0.027 |
| Deuteranopia (no green cones) | #DBC53F | 0.018 |
| Tritanopia (no blue cones) | #F3AEA4 | 0.138 |
| Achromatopsia (no color) | #C1C1C1 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1BE37
#E1BE37
oklch(81% 0.15 93.7)
- #ADBDFF
#ADBDFF
oklch(81% 0.095 273.6)
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 #E1BE37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.031
- Macaroni And Cheese #EFB435 ΔE 0.031
- Dark Yellow #D5B60A ΔE 0.032
- Golden #F5BF03 ΔE 0.032
- Golden Rod #F9BC08 ΔE 0.037
- Orangey Yellow #FDB915 ΔE 0.043
- Marigold #FCC006 ΔE 0.043
- Saffron #E9C46A ΔE 0.043
Use #E1BE37 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.